IOTA/IOTA-ES occultation update for (4229) Plevitskaya / TYC 4665-00527-1 event on 2024 Sep 11, 10:41 UT Visible from Summary ------- On 2024 Sep 11 UT, the 8.97909532437343 km diameter asteroid (4229) Plevitskaya will occult a 9.6 mag star in the constellation Pisces for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.75 mag to 17.31 mag (the magnitude of the asteroid) for at most 0.830 seconds. This update is based on, astrometry for the asteroid kindly provided by the IAU Minor Planet Center. This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The event at a glimpse ---------------------- * Rank: 81 * date and approx. time of event: 2024 Sep 11, 10:31 - 2024 Sep 11, 10:50 * geocentric midpoint of event [JD]: 2460564.94527625 * magnitude of target star: 9.56 * magnitude drop [mag]: 7.75 * estimated maximum duration [s]: 0.830 * Moon: 53 % sunlit, 103° distance * Sun: 163° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 9 * 1 sigma uncertainty interval [path widths]: +/- 0.66 * 1 sigma uncertainty interval [seconds]: +/- 1.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.018, +/- 0.006) * 1 sigma uncertainty ellipse (major, minor, PA): (0.019", 0.002", 71°) * approx speed of asteroid's shadow [km/s]: 10.9216 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 4665-00527-1 by 4229 Plevitskaya on 2024 Sep 11 Centre Star Star Sun Path Limits Error Limits Alt E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 Crn o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude 123 0 0 -19 34 53 10 50 39.5 0 90 -17 -19 32 21 -19 37 25 -19 29 1 -19 40 44 .... 124 0 0 -19 34 28 10 50 39.3 1 90 -18 -19 31 56 -19 37 0 -19 28 37 -19 40 20 -0.16 125 0 0 -19 33 30 10 50 39.0 2 89 -19 -19 30 58 -19 36 2 -19 27 39 -19 39 22 -0.19 126 0 0 -19 31 59 10 50 38.5 3 89 -20 -19 29 27 -19 34 31 -19 26 8 -19 37 51 -0.21 127 0 0 -19 29 55 10 50 37.8 4 89 -21 -19 27 23 -19 32 27 -19 24 3 -19 35 47 -0.21 128 0 0 -19 27 18 10 50 37.0 5 88 -22 -19 24 46 -19 29 50 -19 21 26 -19 33 10 -0.22 129 0 0 -19 24 8 10 50 36.1 6 88 -23 -19 21 36 -19 26 40 -19 18 16 -19 30 0 -0.22 130 0 0 -19 20 25 10 50 34.9 7 88 -24 -19 17 52 -19 22 57 -19 14 32 -19 26 17 -0.22 131 0 0 -19 16 9 10 50 33.6 8 87 -25 -19 13 36 -19 18 41 -19 10 16 -19 22 1 -0.23 132 0 0 -19 11 20 10 50 32.2 9 87 -25 -19 8 47 -19 13 52 -19 5 27 -19 17 12 -0.23 133 0 0 -19 5 58 10 50 30.6 10 87 -26 -19 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46 6 34 10 31 51.3 8 261 6 46 9 7 46 4 2 46 12 28 46 0 41 -0.25 - 64 0 0 46 11 26 10 31 50.3 8 262 6 46 13 58 46 8 53 46 17 19 46 5 33 -0.25 - 63 0 0 46 15 52 10 31 49.4 7 262 7 46 18 25 46 13 20 46 21 45 46 10 0 -0.25 - 62 0 0 46 19 55 10 31 48.6 6 263 8 46 22 27 46 17 22 46 25 47 46 14 2 -0.25 - 61 0 0 46 23 33 10 31 47.8 6 264 8 46 26 5 46 21 0 46 29 25 46 17 41 -0.25 - 60 0 0 46 26 46 10 31 47.1 5 265 9 46 29 18 46 24 14 46 32 38 46 20 55 -0.25 - 59 0 0 46 29 36 10 31 46.6 4 265 10 46 32 8 46 27 4 46 35 27 46 23 44 -0.26 - 58 0 0 46 32 1 10 31 46.1 4 266 11 46 34 33 46 29 29 46 37 52 46 26 9 -0.26 - 57 0 0 46 34 2 10 31 45.7 3 267 11 46 36 33 46 31 30 46 39 53 46 28 11 -0.27 - 56 0 0 46 35 38 10 31 45.4 2 268 12 46 38 10 46 33 7 46 41 29 46 29 47 -0.28 - 55 0 0 46 36 51 10 31 45.1 1 268 13 46 39 22 46 34 19 46 42 42 46 31 0 -0.29 - 54 0 0 46 37 39 10 31 45.0 1 269 13 46 40 11 46 35 7 46 43 30 46 31 48 -0.34 - 53 0 0 46 38 3 10 31 44.9 0 270 14 46 40 35 46 35 32 46 43 54 46 32 13 -1.06 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: TYC 4665-00527-1 * constellation : Pisces * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 00 23 22.1810 DE: -00 16 26.845 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 00 23 22.1810 DE: -00 16 26.845 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 9.6 * B mag [mag]: 10.0 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4229) Plevitskaya asteroid class: approx. diameter [km]: 9 approx. diameter ["]: 0.008 distance from Earth [AU]: 1.58430 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#50 date of fit: 2022 Nov 25 source of used astrometry: MPC, JPL number of used observations: 0 number of rejected observations: 0 time covered by the observations: 1800 Jan 01 - 1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.019", 0.002", 71.325° remarks: * orbital elements for (4229)Plevitskaya : Mean anomaly = 252.1481881962 deg Arg. of pericenter = 323.7402382613 deg Long. of node = 161.0621212363 deg Inclination = 5.1741375986 deg Eccentricity = 0.1792051229 Semimajor axis = 2.3720997288 AU Perihelion dist = 1.9470073054 AU Mag: H = 13.77, G = 0.15 Epoch of elements : MJD 60564.44527583 TDT (2024 Sep 11.4453) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#502022Nov25,0.83,2024,9,11,10.686630,-0.126809,0.195511,-5.173358,-3.352156,-0.001517,-0.000388,0.000001,0.000001 -145.0816,-0.1351,18.82,4.28,False TYC 4665-00527-1,0.38949471,-0.2741237,10.02,9.56,9.31,0.1,0,,0.41088327,-0.1351207,7.75,7.55,0,0,0 4229,Plevitskaya,17.31,9.094,1.5843,0,0,-1.914,-18.61,,0.8,0 0,252.0281,2024,9,11,323.7402,161.0621,5.1741,0.17921,2.37210,1.94701,13.77,5.0,0.15 1.657,0.0190,0.0023,71,0.0052,Known errors,1.01,0,-1,-1 20240911_0527-1,60140.55 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 13:19 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org